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This is the best I've found so far:

It works otherwise ok except that it does not support PNG transparency (it's simply gone in the resulting vector).

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up vote 3 down vote accepted

Try Inkscape.

It can vectorize bitmap (look for the proper function in "Path" menu) and exports result to .eps or .pdf file. It handles transparency as well.

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Several ways I know of:

  • Inkscape can do it, as answered by @Wacek (good job!) (it uses potrace (below))
  • This website does it, pretty decent, free, been using it for a while until I learned other ways.
  • Linux has a package autotrace, which is customizable and controllable. Works well.
  • Linux has another package potrace which works nicely.
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